Gemeinschaft Lernen Tools-Bibliothek Freizeit
suchen
Deutsch
Heim > Backend-Entwicklung > PHP-Tutorial > PHP转换图片为ico格式源码

PHP转换图片为ico格式源码

WBOY
Freigeben： 2016-07-29 09:08:25
Original
1496 Leute haben es durchsucht

Class

<code><span><span><span><span><span><span><span><span><span><span><span><span><span><?php namespace  App\Libs;

class Iconv {
    function phpmake_ico<span>()</span> {
        return true;
    }
    function GDtoICOstr<span>(&<span>$gd_ico_array</span>)</span> {
        foreach <span>(<span>$gd_ico_array</span> as <span>$key</span> => <span>$gd_image</span>)</span> {
            <span>$IcoWidths</span>[<span>$key</span>]  = ImageSX<span>(<span>$gd_image</span>)</span>;
            <span>$IcoHeights</span>[<span>$key</span>] = ImageSY<span>(<span>$gd_image</span>)</span>;
            <span>$bpp</span>[<span>$key</span>]          = ImageIsTrueColor<span>(<span>$gd_image</span>)</span> ? <span>32</span> : <span>24</span>;
            <span>$totalcolors</span>[<span>$key</span>]  = ImageColorsTotal<span>(<span>$gd_image</span>)</span>;
            <span>$icXOR</span>[<span>$key</span>] = <span>''</span>;
            for <span>(<span>$y</span> = <span>$IcoHeights</span>[<span>$key</span>] - <span>1</span>; <span>$y</span> >= <span>0</span>; <span>$y</span>--)</span> {
                for <span>(<span>$x</span> = <span>0</span>; <span>$x</span> $IcoWidths</span>[<span>$key</span>]; <span>$x</span>++)</span> {
                    <span>$argb</span> = <span>$this</span>->gpc<span>(<span>$gd_image</span>, <span>$x</span>, <span>$y</span>)</span>;
                    <span>$a</span> = round<span>(<span>255</span> * <span>(<span>(<span>127</span> - <span>$argb</span>[<span>'alpha'</span>])</span> / <span>127</span>)</span>)</span>;
                    <span>$r</span> = <span>$argb</span>[<span>'red'</span>];
                    <span>$g</span> = <span>$argb</span>[<span>'green'</span>];
                    <span>$b</span> = <span>$argb</span>[<span>'blue'</span>];
                    if <span>(<span>$bpp</span>[<span>$key</span>] == <span>32</span>)</span> {
                        <span>$icXOR</span>[<span>$key</span>] .= chr<span>(<span>$b</span>)</span>.chr<span>(<span>$g</span>)</span>.chr<span>(<span>$r</span>)</span>.chr<span>(<span>$a</span>)</span>;
                    } elseif <span>(<span>$bpp</span>[<span>$key</span>] == <span>24</span>)</span> {
                        <span>$icXOR</span>[<span>$key</span>] .= chr<span>(<span>$b</span>)</span>.chr<span>(<span>$g</span>)</span>.chr<span>(<span>$r</span>)</span>;
                    }
                    if <span>(<span>$a</span> 128</span>)</span> {
                        @<span>$icANDmask</span>[<span>$key</span>][<span>$y</span>] .= <span>'1'</span>;
                    } else {
                        @<span>$icANDmask</span>[<span>$key</span>][<span>$y</span>] .= <span>'0'</span>;
                    }
                }
                while <span>(strlen<span>(<span>$icANDmask</span>[<span>$key</span>][<span>$y</span>])</span> % <span>32</span>)</span> {
                    <span>$icANDmask</span>[<span>$key</span>][<span>$y</span>] .= <span>'0'</span>;
                }
            }
            <span>$icAND</span>[<span>$key</span>] = <span>''</span>;
            foreach <span>(<span>$icANDmask</span>[<span>$key</span>] as <span>$y</span> => <span>$scanlinemaskbits</span>)</span> {
                for <span>(<span>$i</span> = <span>0</span>; <span>$i</span> (<span>$scanlinemaskbits</span>)</span>; <span>$i</span> += <span>8</span>)</span> {
                    <span>$icAND</span>[<span>$key</span>] .= chr<span>(bindec<span>(str_pad<span>(substr<span>(<span>$scanlinemaskbits</span>, <span>$i</span>, <span>8</span>)</span>, <span>8</span>, <span>'0'</span>, STR_PAD_LEFT)</span>)</span>)</span>;
                }
            }
        }
        foreach <span>(<span>$gd_ico_array</span> as <span>$key</span> => <span>$gd_image</span>)</span> {
            <span>$biSizeImage</span> = <span>$IcoWidths</span>[<span>$key</span>] * <span>$IcoHeights</span>[<span>$key</span>] * <span>(<span>$bpp</span>[<span>$key</span>] / <span>8</span>)</span>;
            <span>$bfh</span>[<span>$key</span>]  = <span>''</span>;
            <span>$bfh</span>[<span>$key</span>] .= <span>"\x28\x00\x00\x00"</span>;
            <span>$bfh</span>[<span>$key</span>] .= <span>$this</span>->le2s<span>(<span>$IcoWidths</span>[<span>$key</span>], <span>4</span>)</span>;
            <span>$bfh</span>[<span>$key</span>] .= <span>$this</span>->le2s<span>(<span>$IcoHeights</span>[<span>$key</span>] * <span>2</span>, <span>4</span>)</span>;
            <span>$bfh</span>[<span>$key</span>] .= <span>"\x01\x00"</span>;
            <span>$bfh</span>[<span>$key</span>] .= chr<span>(<span>$bpp</span>[<span>$key</span>])</span>.<span>"\x00"</span>;
            <span>$bfh</span>[<span>$key</span>] .= <span>"\x00\x00\x00\x00"</span>;
            <span>$bfh</span>[<span>$key</span>] .= <span>$this</span>->le2s<span>(<span>$biSizeImage</span>, <span>4</span>)</span>;
            <span>$bfh</span>[<span>$key</span>] .= <span>"\x00\x00\x00\x00"</span>;
            <span>$bfh</span>[<span>$key</span>] .= <span>"\x00\x00\x00\x00"</span>;
            <span>$bfh</span>[<span>$key</span>] .= <span>"\x00\x00\x00\x00"</span>;
            <span>$bfh</span>[<span>$key</span>] .= <span>"\x00\x00\x00\x00"</span>;
        }
        <span>$icondata</span>  = <span>"\x00\x00"</span>;
        <span>$icondata</span> .= <span>"\x01\x00"</span>;
        <span>$icondata</span> .= <span>$this</span>->le2s<span>(count<span>(<span>$gd_ico_array</span>)</span>, <span>2</span>)</span>;
        <span>$dwImageOffset</span> = <span>6</span> + <span>(count<span>(<span>$gd_ico_array</span>)</span> * <span>16</span>)</span>;
        foreach <span>(<span>$gd_ico_array</span> as <span>$key</span> => <span>$gd_image</span>)</span> {
            <span>$icondata</span> .= chr<span>(<span>$IcoWidths</span>[<span>$key</span>])</span>;
            <span>$icondata</span> .= chr<span>(<span>$IcoHeights</span>[<span>$key</span>])</span>;
            <span>$icondata</span> .= chr<span>(<span>$totalcolors</span>[<span>$key</span>])</span>;
            <span>$icondata</span> .= <span>"\x00"</span>;
            <span>$icondata</span> .= <span>"\x01\x00"</span>;
            <span>$icondata</span> .= chr<span>(<span>$bpp</span>[<span>$key</span>])</span>.<span>"\x00"</span>;
            <span>$dwBytesInRes</span> = <span>40</span> + strlen<span>(<span>$icXOR</span>[<span>$key</span>])</span> + strlen<span>(<span>$icAND</span>[<span>$key</span>])</span>;
            <span>$icondata</span> .= <span>$this</span>->le2s<span>(<span>$dwBytesInRes</span>, <span>4</span>)</span>;
            <span>$icondata</span> .= <span>$this</span>->le2s<span>(<span>$dwImageOffset</span>, <span>4</span>)</span>;
            <span>$dwImageOffset</span> += strlen<span>(<span>$bfh</span>[<span>$key</span>])</span>;
            <span>$dwImageOffset</span> += strlen<span>(<span>$icXOR</span>[<span>$key</span>])</span>;
            <span>$dwImageOffset</span> += strlen<span>(<span>$icAND</span>[<span>$key</span>])</span>;
        }
        foreach <span>(<span>$gd_ico_array</span> as <span>$key</span> => <span>$gd_image</span>)</span> {
            <span>$icondata</span> .= <span>$bfh</span>[<span>$key</span>];
            <span>$icondata</span> .= <span>$icXOR</span>[<span>$key</span>];
            <span>$icondata</span> .= <span>$icAND</span>[<span>$key</span>];
        }
        return <span>$icondata</span>;
    }
    function le2s<span>(<span>$number</span>, <span>$minbytes</span>=<span>1</span>)</span> {
        <span>$intstring</span> = <span>''</span>;
        while <span>(<span>$number</span> > <span>0</span>)</span> {
            <span>$intstring</span> = <span>$intstring</span>.chr<span>(<span>$number</span> & <span>255</span>)</span>;
            <span>$number</span> >>= <span>8</span>;
        }
        return str_pad<span>(<span>$intstring</span>, <span>$minbytes</span>, <span>"\x00"</span>, STR_PAD_RIGHT)</span>;
    }
    function gpc<span>(&<span>$img</span>, <span>$x</span>, <span>$y</span>)</span> {
        if <span>(!is_resource<span>(<span>$img</span>)</span>)</span> {
            return false;
        }
        return @ImageColorsForIndex<span>(<span>$img</span>, @ImageColorAt<span>(<span>$img</span>, <span>$x</span>, <span>$y</span>)</span>)</span>;
    }
}
?></span></span></span></span></span></span></span></span></span></code>
Nach dem Login kopieren

Controller

<code><span>if</span> ( <span>$error</span>[<span>'text'</span>] == <span>""</span> && isset(<span>$_FILES</span>[<span>'upimage'</span>][<span>'tmp_name'</span>]) && <span>$_FILES</span>[<span>'upimage'</span>][<span>'tmp_name'</span>] && is_uploaded_file(<span>$_FILES</span>[<span>'upimage'</span>][<span>'tmp_name'</span>])) {
                <span>if</span> (<span>$_FILES</span>[<span>'upimage'</span>][<span>'type'</span>] > <span>210000</span>) {
                    <span>$error</span>[<span>'text'</span>] = <span>"你上传的文件体积超过了限制 最大不能超过200k"</span>;
                } <span>else</span> {
                    <span>$fileext</span> = array(<span>"image/pjpeg"</span>, <span>"image/gif"</span>, <span>"image/x-png"</span>, <span>"image/png"</span>, <span>"image/jpeg"</span>, <span>"image/jpg"</span>);
                    <span>if</span> (!in_array(<span>$_FILES</span>[<span>'upimage'</span>][<span>'type'</span>], <span>$fileext</span>)) {
                        <span>$error</span>[<span>'text'</span>] = <span>"你上传的文件格式不正确 仅支持 jpg，gif，png"</span>;
                    }<span>else</span> {
                        <span>if</span> (<span>$im</span> = <span>@imagecreatefrompng</span>(<span>$_FILES</span>[<span>'upimage'</span>][<span>'tmp_name'</span>]) <span>or</span><span>$im</span> = <span>@imagecreatefromgif</span>(<span>$_FILES</span>[<span>'upimage'</span>][<span>'tmp_name'</span>]) <span>or</span><span>$im</span> = <span>@imagecreatefromjpeg</span>(<span>$_FILES</span>[<span>'upimage'</span>][<span>'tmp_name'</span>])) {
                            <span>$imginfo</span> = <span>@getimagesize</span>(<span>$_FILES</span>[<span>'upimage'</span>][<span>'tmp_name'</span>]);
                            <span>if</span> (!is_array(<span>$imginfo</span>)) {
                                <span>$error</span>[<span>'text'</span>] = <span>"图形格式错误！"</span>;
                            }<span>else</span> {
                                switch (<span>$_POST</span>[<span>'size'</span>]) {
                                    <span>case</span><span>1</span>;
                                        <span>$resize_im</span> = <span>@imagecreatetruecolor</span>(<span>16</span>, <span>16</span>);
                                        <span>$size</span> = <span>16</span>;
                                        <span>break</span>;
                                    <span>case</span><span>2</span>;
                                        <span>$resize_im</span> = <span>@imagecreatetruecolor</span>(<span>32</span>, <span>32</span>);
                                        <span>$size</span> = <span>32</span>;
                                        <span>break</span>;
                                    <span>case</span><span>3</span>;
                                        <span>$resize_im</span> = <span>@imagecreatetruecolor</span>(<span>48</span>, <span>48</span>);
                                        <span>$size</span> = <span>48</span>;
                                        <span>break</span>;
                                    <span>case</span><span>4</span>;
                                        <span>$resize_im</span> = <span>@imagecreatetruecolor</span>(<span>64</span>, <span>64</span>);
                                        <span>$size</span> = <span>64</span>;
                                        <span>break</span>;
                                    <span>case</span><span>5</span>;
                                        <span>$resize_im</span> = <span>@imagecreatetruecolor</span>(<span>128</span>, <span>128</span>);
                                        <span>$size</span> = <span>128</span>;
                                        <span>break</span>;
                                    default;
                                        <span>$resize_im</span> = <span>@imagecreatetruecolor</span>(<span>64</span>, <span>64</span>);
                                        <span>$size</span> = <span>64</span>;
                                        <span>break</span>;
                                }
                                imagecopyresampled(<span>$resize_im</span>, <span>$im</span>, <span>0</span>, <span>0</span>, <span>0</span>, <span>0</span>, <span>$size</span>, <span>$size</span>, <span>$imginfo</span>[<span>0</span>], <span>$imginfo</span>[<span>1</span>]);

                                <span>$icon</span> = new <span>Iconv</span>();

                                <span>$gd_image_array</span> = array(<span>$resize_im</span>);
                                <span>$icon_data</span> = <span>$icon</span>-><span>GDtoICOstr</span>(<span>$gd_image_array</span>);
                                <span>$filename</span> = <span>"temp/"</span> . date(<span>"Ymdhis"</span>) . rand(<span>1</span>, <span>1000</span>) . <span>".ico"</span>;
                                <span>if</span> (file_put_contents(<span>$filename</span>, <span>$icon_data</span>)) {
<span>//</span><span>$output</span> = <span>"生成成功！请点右键->另存为 保存到本地<br><a href="</span>/<span>" mce_href="</span>/<span>"><span>".$filename."</span>/<span>" target=/"</span>_blank/<span>">点击下载</span></a>"</span>;
<span>//</span>                                    echo <span>$filename</span>;
                                    <span>//</span>数据展示
                                    <span>$icon_arr</span>=[
                                        <span>'class'</span>=><span>''</span>,
                                        <span>'time'</span>=>date(<span>"Y-m-d H:i:s"</span>),
                                        <span>'filename'</span>=><span>$_FILES</span>[<span>'upimage'</span>][<span>'name'</span>],
                                        <span>'filepath'</span>=><span>$filename</span>,
                                        <span>'size'</span>=><span>$size</span>
                                    ];
                                }
                            }
                        } <span>else</span> {
                                <span>$error</span>[<span>'text'</span>] = <span>"生成错误请重试"</span>;

                        }
                    }
                }
            }<span>else</span>{
                <span>$error</span>[<span>'text'</span>] = <span>"请选择图片!"</span>;
            }

</code>
Nach dem Login kopieren

展示效果

PHP转换图片为ico格式源码

源码地址

ico在线转换工具已经集成到了开源项目 https://github.com/diandianxiyu/ApiTesting 中 ，在线demo地址稍后再放出

2016年新年快乐！

').addClass('pre-numbering').hide(); $(this).addClass('has-numbering').parent().append($numbering); for (i = 1; i ').text(i)); }; $numbering.fadeIn(1700); }); });

以上就介绍了PHP转换图片为ico格式源码，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。

Verwandte Etiketten：
array image key
Quelle：php.cn
Vorheriger Artikel：详解WordPress中添加和执行动作的函数使用方法 Nächster Artikel：php+mysql 简单增删查改
Erklärung dieser Website
Der Inhalt dieses Artikels wird freiwillig von Internetnutzern beigesteuert und das Urheberrecht liegt beim ursprünglichen Autor. Diese Website übernimmt keine entsprechende rechtliche Verantwortung. Wenn Sie Inhalte finden, bei denen der Verdacht eines Plagiats oder einer Rechtsverletzung besteht, wenden Sie sich bitte an admin@php.cn
Neueste Artikel des Autors
Aktuelle Ausgaben
Bei der Verwendung von opentbs zum Generieren von ODT-Dateien sind Probleme aufgetreten: Werte desselben Schlüssels werden in derselben Zeile statt in separaten Spalten angezeigt. Ich verwende eine Bibliothek namens OpenTbs, um ODT mit PHP zu erstellen. Ich verwende sie...
Aus 2024-04-06 20:18:18
0
1
483
Versuchen Sie, Daten in eine Spalte einzufügen Ich habe eine Tabelle namens design_designs. Die Tabelle enthält 4 Spalten: ID, Schlüssel,...
Aus 2024-04-05 11:23:51
0
1
316
Schritte zum Entfernen eines Fremdschlüsseleintrags Ich habe zwei Tabellen: Mitarbeiter und Adresse. Employee ist meine Haupttabelle und Addre...
Aus 2024-04-04 14:15:44
0
1
352
Seltsames Verhalten von Map() letkey=[1,2]letm=newMap()m.set(key,"12")console.log(m.get(key))//12console.log(m...
Aus 2024-04-03 15:40:52
0
1
328
PHP: Umgang mit (unerwarteten) Arrays in Benutzereingaben Ich habe kürzlich herausgefunden, dass das Senden einer Variablen, die ein „unerwartetes“ ...
Aus 2024-04-01 17:56:37
0
1
396
verwandte Themen
Mehr>
Beliebte Empfehlungen
Beliebte Tutorials
Mehr>
Verwandte Tutorials
Beliebte Empfehlungen
Aktuelle Kurse
Neueste Downloads
Mehr>
Web-Effekte
Quellcode der Website
Website-Materialien
Frontend-Vorlage